ITEM NAME:DIY Kit Module 9V-12V AT89C2051 6 Digital LED Electronic Clock Parts Compon H1U9 DIY Kit Module 9V-12V AT89C2051 6 Digital LED Electronic Clock Parts Compon H1U9 Colour:green Material:metal size:55*44mm Working voltage:DC9-12V Recommend voltage:DC5V Recommend battery:CR2032 (3V) Working current:35mA Standby current:1.2mA IT IS KITS ONLY. That is to say, all items are not welded on the pcb board. buyers have to weld them on the pcb board by themselves. we gurantee all items on the following listing included. ONLY for professionals. kits assembled is not a very complex work but if you are not professional, item maybe get broken. we cannot offer the warranty for incorrect welding and assembling. Package included:1x DIY Kit Module 9V-12V AT89C2051 6 Digital LED Electronic Clock Parts Components Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.